Twigs suggest Assynt site 'genuine Iron Age broch'

Radiocarbon dating of burnt twigs found inside an ancient building in Assynt suggest its interior remained untouched after it was built in the Iron Age.

Brochs were often modified during later periods of use. One at Nybster in Caithness has evidence of possible Pictish and medieval occupation.

The dating of twigs possibly used for woven mats points to the Assynt site remaining unaltered until it collapsed.

The broch at Clachtoll was built using stones weighing up to 100kg each.

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